:root{--yellow:#f4c400;--zoom:1;--topbar-h:62px}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0}body{overflow:hidden;background:radial-gradient(circle at 50% 8%,#3b3b3b 0,#191919 43%,#080808 100%);color:#fff;font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}.app{width:100%;height:100dvh;min-height:100vh;display:grid;grid-template-rows:var(--topbar-h) minmax(0,1fr)}.topbar{height:var(--topbar-h);padding:7px 14px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(7,7,7,.9);border-bottom:1px solid rgba(255,255,255,.09);box-shadow:0 8px 28px rgba(0,0,0,.3);backdrop-filter:blur(12px);z-index:30}.brand{display:flex;align-items:center;height:100%;text-decoration:none}.brand-logo{display:block;max-width:154px;max-height:46px;width:auto;height:auto;object-fit:contain}.toolbar{display:flex;align-items:center;justify-content:flex-end;gap:7px}.tool-button{width:40px;height:40px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#242424;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.18s ease;font-size:28px;line-height:1}.tool-button:hover{background:var(--yellow);color:#111;border-color:var(--yellow);transform:translateY(-1px)}.tool-button:disabled{opacity:.35;cursor:not-allowed;transform:none}.tool-text,.icon-button{font-size:21px;font-weight:700}.toolbar-divider{width:1px;height:25px;background:rgba(255,255,255,.14);margin:0 3px}.zoom-label{width:48px;text-align:center;color:#ddd;font-size:12px;font-weight:700}.page-control{height:40px;display:inline-flex;align-items:center;gap:6px;padding:0 10px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#242424;color:#ccc;font-size:12px}.page-control input{width:48px;height:27px;padding:2px 4px;border:1px solid rgba(255,255,255,.15);border-radius:6px;outline:none;background:#111;color:var(--yellow);text-align:center;font-weight:700}.viewer{position:relative;min-height:0;overflow:hidden}.book-scroll{position:absolute;inset:0;overflow:auto;display:flex;align-items:center;justify-content:center;padding:2px 74px 4px;scrollbar-width:thin;scrollbar-color:#555 #161616}.book-zoom{flex:0 0 auto;position:relative;min-width:1px;min-height:1px;transition:width .18s ease,height .18s ease}.book-scale{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(var(--zoom));transform-origin:center center;transition:transform .18s ease}.book{filter:drop-shadow(0 30px 25px rgba(0,0,0,.58))}.book canvas{image-rendering:auto}.catalog-page{background:#fff;overflow:hidden}.catalog-page img{display:block;width:100%;height:100%;object-fit:fill;user-select:none;-webkit-user-drag:none;backface-visibility:hidden;transform:translateZ(0)}.loading-panel{position:absolute;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:radial-gradient(circle at center,#292929,#0d0d0d 70%);transition:opacity .35s ease,visibility .35s ease}.loading-panel.hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-panel span{color:#aaa;font-size:13px}.loader{width:48px;height:48px;border:4px solid rgba(255,255,255,.12);border-top-color:var(--yellow);border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.gesture-hint{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);padding:8px 14px;border-radius:999px;background:rgba(0,0,0,.72);color:#d1d1d1;font-size:11px;pointer-events:none;transition:opacity .5s ease;z-index:12}.gesture-hint.hidden{opacity:0}.edge-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:15;width:48px;height:88px;border:1px solid rgba(255,255,255,.13);background:rgba(0,0,0,.42);color:#fff;border-radius:14px;font-size:44px;line-height:1;cursor:pointer;backdrop-filter:blur(8px);transition:.18s ease}.edge-nav:hover{background:var(--yellow);color:#111}.edge-nav:disabled{opacity:.18;cursor:not-allowed}.edge-prev{left:14px}.edge-next{right:14px}@media(max-width:900px){:root{--topbar-h:58px}.topbar{padding:6px 9px}.brand-logo{max-width:112px;max-height:40px}.toolbar{gap:4px}.tool-button{width:36px;height:36px;border-radius:8px}.toolbar-divider,.zoom-label{display:none}.page-control{height:36px;padding:0 7px}.page-control>span:first-child{display:none}.book-scroll{padding:8px 6px 20px}.edge-nav{display:none}}@media(max-width:480px){.brand-logo{max-width:76px}.page-control input{width:36px}.tool-button{width:32px;height:34px}.page-control{padding:0 4px}.toolbar{gap:3px}.tool-text{font-size:19px}#fullscreenButton{display:none}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* 2026-08-19: Mobil zoom sonrası tek parmakla pan; normal ölçekte PageFlip swipe korunur. */
.book-scroll.is-pannable{cursor:grab;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.book-scroll.is-pannable:active{cursor:grabbing}
@media(max-width:900px){
.book-scroll.is-pannable{touch-action:none;align-items:flex-start;justify-content:flex-start}
.book-scroll.is-pannable .book-zoom{margin:auto}
}